Уточнить поиск
Результаты 1-10 из 18
Povyshenie ėffektivnosti izvestkovanii︠a︡ kislykh pochv | Increasing the effectiveness of liming acidic soils
1977
Shtikans, I︠U︡ris Antonovich
Sel'skokhozi︠a︡ĭstvennai︠a︡ nauka na sluzhbe intensifikat︠s︡ii proizvodstva | Agricultural science in the service of the intensification of production
1977
Kultivētās ganības | Kulʹturnye pastbishcha | Cultivated pastures
1977
Vaivars, J (Jānis)
Flora i rastitel'nost' Latviĭskoĭ SSR | Флора и растительность Латвийской ССР | Flora and vegetation of the Latvian SSR
1977
Tabaka, L. V.
Problemy sovershenstvovanii︠a︡ zemlepol'zovanii︠a︡ kolkhozov i sovkhozov | Problems in improving the land utilization of collective and state farms
1977
Chistyĭ produkt i narodnyĭ dokhod soi︠u︡znoĭ respubliki
1977
Grantynʹ, Gaĭtis I︠A︡novich
Experimental work on acclimatization of chum (Oncorhynchus keta) and pink salmon (Oncorhynchus gorbuscha) in the Baltic Sea | Опытные работы по акклиматизации тихоокеанских лососей в Балтийском море Полный текст
1977
Rimsh, E.Ya.
First results of the introduction of chum and pink salmon in the Baltic Sea, peculiarities of egg incubation, rearing of the Pacific Ocean young salmon under the conditions of hatchery in Latvia are examined. Morphobiological characteristic of chum and pink salmon in the new area is presented. The terms of spawning migrations, as well as the distribution of spawners over the Soviet coastal line of the Baltic are determined. The estimation of the biological efficiency of the experimental work carried out is given. | Published | Not Known
Показать больше [+] Меньше [-]Données actuelles sur les propriétés physiques du sol Полный текст
1977
Monnier, G.
Evaluation des proprietes physiques et mecaniques des tourbes du gisement de Baupte (COFAZ) Полный текст
1977
Monnier, G.
Brief report from the I.U.F.R.O. joint meeting of working parties on genetics (Bordeaux, June 14-18, 1976) Полный текст
1977
Arbez, Michel
Brief report from the I.U.F.R.O. joint meeting of working parties on genetics (Bordeaux, June 14-18, 1976) Полный текст
1977
Arbez, Michel
Brief report from the I.U.F.R.O. joint meeting of working parties on genetics (Bordeaux, June 14-18, 1976) Полный текст
1977
Arbez, Michel
